Works by Rychlik, Michael

Results: 112

Spent Yeast from Brewing Processes: A Biodiverse Starting Material for Yeast Extract Production.

Published in:

Fermentation (Basel), 2019, v. 5, n. 2, p. 1, doi. 10.3390/fermentation5020051

By:

Jacob, Friedrich Felix;
Striegel, Lisa;
Rychlik, Michael;
Hutzler, Mathias;
Methner, Frank-Jürgen

Publication type:

Article

Alternaria‐Toxine treten in Erscheinung.

Published in:

Nachrichten aus der Chemie, 2018, v. 66, n. 9, p. 877, doi. 10.1002/nadc.20184071730

By:

Rychlik, Michael;
Gotthardt, Marina;
Kietz, Roland;
Maurer, Andrea;
Gunkel, Klara;
Asam, Stefan;
Mönch, Sabine

Publication type:

Article

Folates in Fruits and Vegetables: Contents, Processing, and Stability.

Published in:

Comprehensive Reviews in Food Science & Food Safety, 2016, v. 15, n. 3, p. 506, doi. 10.1111/1541-4337.12193

By:

Delchier, Nicolas;
Herbig, Anna‐Lena;
Rychlik, Michael;
Renard, Catherine M.G.C.

Publication type:

Article

Simultaneous quantification of atropine and scopolamine in infusions of herbal tea and Solanaceae plant material by matrix‐assisted laser desorption/ionization time‐of‐flight (tandem) mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2018, v. 32, n. 22, p. 1911, doi. 10.1002/rcm.8264

By:

John, Harald;
Rychlik, Michael;
Thiermann, Horst;
Schmidt, Christian

Publication type:

Article

Nutrition – A global challenge for health.

Published in:

Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2017, v. 137, n. 23/24, p. 1941

By:

KLOHE, KATHARINA;
DA COSTA, CLARISSA PRAZERES;
LIEN, NANNA;
HOLMBOE-OTTESEN, GERD;
RYCHLIK, MICHAEL;
HAAVARDSSON, INGEBORG;
STORDALEN, GUNHILD;
SINGH, SUDHVIR;
ENGEBRETSEN, INGUNN;
IVERSEN, PER OLE;
WINKLER, ANDREA SYLVIA

Publication type:

Article

DBDIpy: a Python library for processing of untargeted datasets from real-time plasma ionization mass spectrometry.

Published in:

Bioinformatics, 2023, v. 39, n. 2, p. 1, doi. 10.1093/bioinformatics/btad088

By:

Weidner, Leopold;
Hemmler, Daniel;
Rychlik, Michael;
Schmitt-Kopplin, Philippe

Publication type:

Article

Isotope dilution LC-MS/MS quantification of the cystic fibrosis transmembrane conductance regulator (CFTR) modulators ivacaftor, lumacaftor, tezacaftor, elexacaftor, and their major metabolites in human serum.

Published in:

Clinical Chemistry & Laboratory Medicine, 2022, v. 60, n. 1, p. 82, doi. 10.1515/cclm-2021-0724

By:

Habler, Katharina;
Kalla, Anne-Sophie;
Rychlik, Michael;
Bruegel, Mathias;
Teupser, Daniel;
Nährig, Susanne;
Vogeser, Michael;
Paal, Michael

Publication type:

Article

Determination of the fatty acid profile of neutral lipids, free fatty acids and phospholipids in human plasma.

Published in:

Clinical Chemistry & Laboratory Medicine, 2013, v. 51, n. 4, p. 799, doi. 10.1515/cclm-2012-0203

By:

Firl, Nina;
Kienberger, Hermine;
Hauser, Teresa;
Rychlik, Michael

Publication type:

Article

Development and Validation of a Cost-Effective HPLC-FLD Method for Routine Analysis of Fumonisins B and B in Corn and Corn Products.

Published in:

Food Analytical Methods, 2017, v. 10, n. 5, p. 1349, doi. 10.1007/s12161-016-0688-y

By:

Kaltner, Florian;
Rampl, Corina;
Rychlik, Michael;
Zimmermann, Thomas;
Rohe, Alexander

Publication type:

Article

Development of a high-throughput UHPLC-MS/MS method for the analysis of Fusarium and Alternaria toxins in cereals and cereal-based food.

Published in:

Analytical & Bioanalytical Chemistry, 2024, v. 416, n. 26, p. 5619, doi. 10.1007/s00216-024-05486-4

By:

Dick, Fabian;
Dietz, Alena;
Asam, Stefan;
Rychlik, Michael

Publication type:

Article

Challenges in the determination of total vitamin B12 by cyanidation conversion: insights from stable isotope dilution assays.

Published in:

Analytical & Bioanalytical Chemistry, 2023, v. 415, n. 23, p. 5797, doi. 10.1007/s00216-023-04860-y

By:

Wang, Mengle;
Schuster, Kathrin;
Asam, Stefan;
Rychlik, Michael

Publication type:

Article

Correction to: A sensitive LC–MS/MS method for isomer separation and quantitative determination of 51 pyrrolizidine alkaloids and two tropane alkaloids in cow's milk.

Published in:

2023

By:

Klein, Lisa Monika;
Gabler, Angelika Miriam;
Rychlik, Michael;
Gottschalk, Christoph;
Kaltner, Florian

Publication type:

Correction Notice

A sensitive LC–MS/MS method for isomer separation and quantitative determination of 51 pyrrolizidine alkaloids and two tropane alkaloids in cow's milk.

Published in:

Analytical & Bioanalytical Chemistry, 2022, v. 414, n. 28, p. 8107, doi. 10.1007/s00216-022-04344-5

By:

Klein, Lisa Monika;
Gabler, Angelika Miriam;
Rychlik, Michael;
Gottschalk, Christoph;
Kaltner, Florian

Publication type:

Article

A sensitive LC–MS/MS method for isomer separation and quantitative determination of 51 pyrrolizidine alkaloids and two tropane alkaloids in cow's milk.

Published in:

Analytical & Bioanalytical Chemistry, 2022, v. 414, n. 28, p. 8107, doi. 10.1007/s00216-022-04344-5

By:

Klein, Lisa Monika;
Gabler, Angelika Miriam;
Rychlik, Michael;
Gottschalk, Christoph;
Kaltner, Florian

Publication type:

Article

Evolution of Alternaria toxins during the brewing process and the usability of optical sorting methods to reduce mycotoxin concentrations in beer.

Published in:

European Food Research & Technology, 2023, v. 249, n. 6, p. 1613, doi. 10.1007/s00217-023-04241-w

By:

Bretträger, Marina;
Scheibenzuber, Sophie;
Asam, Stefan;
Rychlik, Michael;
Gastl, Martina;
Becker, Thomas

Publication type:

Article

Yeast extract production using spent yeast from beer manufacture: influence of industrially applicable disruption methods on selected substance groups with biotechnological relevance.

Published in:

European Food Research & Technology, 2019, v. 245, n. 6, p. 1169, doi. 10.1007/s00217-019-03237-9

By:

Jacob, Friedrich Felix;
Striegel, Lisa;
Rychlik, Michael;
Hutzler, Mathias;
Methner, Frank-Jürgen

Publication type:

Article

Effect of sourdough processing and baking on the content of enniatins and beauvericin in wheat and rye bread.

Published in:

European Food Research & Technology, 2014, v. 238, n. 4, p. 581, doi. 10.1007/s00217-013-2133-4

By:

Hu, Ling;
Koehler, Peter;
Rychlik, Michael

Publication type:

Article

Potential health hazards due to the occurrence of the mycotoxin tenuazonic acid in infant food.

Published in:

European Food Research & Technology, 2013, v. 236, n. 3, p. 491, doi. 10.1007/s00217-012-1901-x

By:

Asam, Stefan;
Rychlik, Michael

Publication type:

Article

Analysis of seven folates in food by LC-MS/MS to improve accuracy of total folate data.

Published in:

European Food Research & Technology, 2013, v. 236, n. 1, p. 17, doi. 10.1007/s00217-012-1849-x

By:

Ringling, Christiane;
Rychlik, Michael

Publication type:

Article

Author Correction: Archeochemistry reveals the first steps into modern industrial brewing.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-19092-w

By:

Pieczonka, Stefan A.;
Zarnkow, Martin;
Diederich, Philippe;
Hutzler, Mathias;
Weber, Nadine;
Jacob, Fritz;
Rychlik, Michael;
Schmitt-Kopplin, Philippe

Publication type:

Article

Synthesis of Human Phase I and Phase II Metabolites of Hop (Humulus lupulus) Prenylated Flavonoids.

Published in:

Metabolites (2218-1989), 2022, v. 12, n. 4, p. N.PAG, doi. 10.3390/metabo12040345

By:

Buckett, Lance;
Schönberger, Sabrina;
Spindler, Veronika;
Sus, Nadine;
Schoergenhofer, Christian;
Frank, Jan;
Frank, Oliver;
Rychlik, Michael

Publication type:

Article

Comprehensive Vitamer Profiling of Folate Mono- and Polyglutamates in Baker's Yeast (Saccharomyces cerevisiae) as a Function of Different Sample Preparation Procedures.

Published in:

Metabolites (2218-1989), 2020, v. 10, n. 8, p. 301, doi. 10.3390/metabo10080301

By:

Gmelch, Lena;
Wirtz, Daniela;
Witting, Michael;
Weber, Nadine;
Striegel, Lisa;
Schmitt-Kopplin, Philippe;
Rychlik, Michael

Publication type:

Article

Production of Four 15N-Labelled Cobalamins via Biosynthesis Using Propionibacterium freudenreichii.

Published in:

Frontiers in Microbiology, 2021, v. 12, p. 1, doi. 10.3389/fmicb.2021.713321

By:

Wang, Mengle;
Asam, Stefan;
Chen, Jianqi;
Ehrmann, Matthias;
Rychlik, Michael

Publication type:

Article

Genetic and physiological regulation of folate in pak choi (Brassica rapa subsp. Chinensis) germplasm.

Published in:

Journal of Experimental Botany, 2020, v. 71, n. 16, p. 4914, doi. 10.1093/jxb/eraa218

By:

Shohag, M J I;
Wei, Yanyan;
Zhang, Jie;
Feng, Ying;
Rychlik, Michael;
He, Zhenli;
Yang, Xiaoe

Publication type:

Article

Stable Isotope Dilution Assays for Clinical Analyses of Folates and Other One-Carbon Metabolites: Application to Folate-Deficiency Studies.

Published in:

PLoS ONE, 2016, v. 11, n. 6, p. 1, doi. 10.1371/journal.pone.0156610

By:

Kopp, Markus;
Morisset, Rosalie;
Koehler, Peter;
Rychlik, Michael

Publication type:

Article

Dietary Fatty Acids Affect Red Blood Cell Membrane Composition and Red Blood Cell ATP Release in Dairy Cows.

Published in:

International Journal of Molecular Sciences, 2019, v. 20, n. 11, p. 2769, doi. 10.3390/ijms20112769

By:

Revskij, Denis;
Haubold, Susanne;
Viergutz, Torsten;
Kröger-Koch, Claudia;
Tuchscherer, Armin;
Kienberger, Hermine;
Rychlik, Michael;
Tröscher, Arnulf;
Hammon, Harald M.;
Schuberth, Hans-Joachim;
Mielenz, Manfred

Publication type:

Article

Decomposing the molecular complexity of brewing.

Published in:

NPJ Science of Food, 2020, v. 4, n. 1, p. N.PAG, doi. 10.1038/s41538-020-00070-3

By:

Pieczonka, Stefan A.;
Lucio, Marianna;
Rychlik, Michael;
Schmitt-Kopplin, Philippe

Publication type:

Article

Phytochemicals, Organic Acid, and Vitamins in Red Rhapsody Strawberry—Content and Storage Stability.

Published in:

Foods, 2025, v. 14, n. 3, p. 379, doi. 10.3390/foods14030379

By:

Hong, Hung Trieu;
Rami, Julius;
Rychlik, Michael;
O'Hare, Tim J.;
Netzel, Michael E.

Publication type:

Article

Strategic Priorities of the Scientific Plan of the European Research Infrastructure METROFOOD-RI for Promoting Metrology in Food and Nutrition.

Published in:

Foods, 2022, v. 11, n. 4, p. 599, doi. 10.3390/foods11040599

By:

Tsimidou, Maria Z.;
Ordoudi, Stella A.;
Mantzouridou, Fani Th.;
Nenadis, Nikolaos;
Stelzl, Tamara;
Rychlik, Michael;
Belc, Nastasia;
Zoani, Claudia

Publication type:

Article

Promising Tropical Fruits High in Folates.

Published in:

Foods, 2019, v. 8, n. 9, p. 363, doi. 10.3390/foods8090363

By:

Striegel, Lisa;
Weber, Nadine;
Dumler, Caroline;
Chebib, Soraya;
Netzel, Michael E.;
Sultanbawa, Yasmina;
Rychlik, Michael

Publication type:

Article

Measurements of Intra-and Extra-Cellular 5-Methyltetrahydrofolate Indicate that Bifidobacterium Adolescentis DSM 20083T and Bifidobacterium Pseudocatenulatum DSM 20438T Do Not Actively Excrete 5-Methyltetrahydrofolate In vitro.

Published in:

Frontiers in Microbiology, 2017, v. 8, p. 1, doi. 10.3389/fmicb.2017.00445

By:

Kopp, Markus;
Dürr, Kerstin;
Steigleder, Matthias;
Clavel, Thomas;
Rychlik, Michael

Publication type:

Article

Tracing metabolite profiles in human milk: studies on the odorant 1,8-cineole transferred into breast milk after oral intake.

Published in:

Metabolomics, 2013, v. 9, n. 2, p. 483, doi. 10.1007/s11306-012-0466-9

By:

Kirsch, Frauke;
Horst, Kathie;
Röhrig, Waldemar;
Rychlik, Michael;
Buettner, Andrea

Publication type:

Article

Metabolomics of prolonged fasting in humans reveals new catabolic markers.

Published in:

Metabolomics, 2011, v. 7, n. 3, p. 375, doi. 10.1007/s11306-010-0255-2

By:

Rubio-Aliaga, Isabel;
de Roos, Baukje;
Duthie, Susan J.;
Crosley, L.;
Mayer, Claus;
Horgan, Graham;
Colquhoun, Ian J.;
Le Gall, Gwénaëlle;
Huber, Fritz;
Kremer, Werner;
Rychlik, Michael;
Wopereis, Suzan;
van Ommen, Ben;
Schmidt, Gabriele;
Heim, Carolin;
Bouwman, Freek G.;
Mariman, Edwin C.;
Mulholland, Francis;
Johnson, Ian T.;
Polley, Abigael C.

Publication type:

Article

Quantification of isotope-labelled and unlabelled folates in plasma, ileostomy and food samples.

Published in:

Analytical & Bioanalytical Chemistry, 2011, v. 399, n. 1, p. 429, doi. 10.1007/s00216-010-4313-4

By:

Büttner, Barbara E.;
Öhrvik, Veronica E.;
Witthöft, Cornelia M.;
Rychlik, Michael

Publication type:

Article

Folate content in sea buckthorn berries and related products ( Hippophaë rhamnoides L. ssp. rhamnoides): LC-MS/MS determination of folate vitamer stability influenced by processing and storage assessed by stable isotope dilution assay.

Published in:

Analytical & Bioanalytical Chemistry, 2008, v. 391, n. 1, p. 211, doi. 10.1007/s00216-008-1905-3

By:

Gutzeit, Derek;
Mönch, Sabine;
Jerz, Gerold;
Winterhalter, Peter;
Rychlik, Michael

Publication type:

Article

Stable isotope dilution assays in mycotoxin analysis.

Published in:

Analytical & Bioanalytical Chemistry, 2008, v. 390, n. 2, p. 617, doi. 10.1007/s00216-007-1717-x

By:

Rychlik, Michael;
Asam, Stefan

Publication type:

Article

Specific and sensitive quantification of folate vitamers in foods by stable isotope dilution assays using high-performance liquid chromatography-tandem mass spectrometry.

Published in:

Analytical & Bioanalytical Chemistry, 2003, v. 376, n. 2, p. 149, doi. 10.1007/s00216-003-1844-y

By:

Freisleben, Achim;
Schieberle, Peter;
Rychlik, Michael

Publication type:

Article

Diet-induced obesity causes metabolic impairment independent of alterations in gut barrier integrity.

Published in:

Molecular Nutrition & Food Research, 2015, v. 59, n. 5, p. 968, doi. 10.1002/mnfr.201400840

By:

Kless, Caroline;
Müller, Veronika Maria;
Schüppel, Valentina Luise;
Lichtenegger, Martina;
Rychlik, Michael;
Daniel, Hannelore;
Klingenspor, Martin;
Haller, Dirk

Publication type:

Article

Quantification of 1,8-cineole and of its metabolites in humans using stable isotope dilution assays.

Published in:

Molecular Nutrition & Food Research, 2010, v. 54, n. 10, p. 1515, doi. 10.1002/mnfr.200900528

By:

Horst, Kathie;
Rychlik, Michael

Publication type:

Article

Simulated Sunlight Selectively Modifies Maillard Reaction Products in a Wide Array of Chemical Reactions.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 57, p. 13208, doi. 10.1002/chem.201902804

By:

Hemmler, Daniel;
Gonsior, Michael;
Powers, Leanne C.;
Marshall, James W.;
Rychlik, Michael;
Taylor, Andrew J.;
Schmitt‐Kopplin, Philippe

Publication type:

Article

Impact of estragole and other odorants on the flavour of anise and tarragon.

Published in:

Flavour & Fragrance Journal, 2007, v. 22, n. 2, p. 105, doi. 10.1002/ffj.1765

By:

Zeller, Annette;
Rychlik, Michael

Publication type:

Article

Insights into the Chemistry of Non-Enzymatic Browning Reactions in Different Ribose-Amino Acid Model Systems.

Published in:

Scientific Reports, 2018, v. 8, n. 1, p. 1, doi. 10.1038/s41598-018-34335-5

By:

Hemmler, Daniel;
Roullier-Gall, Chloé;
Marshall, James W.;
Rychlik, Michael;
Taylor, Andrew J.;
Schmitt-Kopplin, Philippe

Publication type:

Article

Alternaria alternata Toxins Synergistically Activate the Aryl Hydrocarbon Receptor Pathway In Vitro.

Published in:

Biomolecules (2218-273X), 2020, v. 10, n. 7, p. 1018, doi. 10.3390/biom10071018

By:

Hohenbichler, Julia;
Aichinger, Georg;
Rychlik, Michael;
Del Favero, Giorgia;
Marko, Doris

Publication type:

Article

Simulation of Food Folate Digestion and Bioavailability of an Oxidation Product of 5-Methyltetrahydrofolate.

Published in:

Nutrients, 2017, v. 9, n. 9, p. 969, doi. 10.3390/nu9090969

By:

Ringling, Christiane;
Rychlik, Michael

Publication type:

Article

Characterization and Interrelations of One-Carbon Metabolites in Tissues, Erythrocytes, and Plasma in Mice with Dietary Induced Folate Deficiency.

Published in:

Nutrients, 2017, v. 9, n. 5, p. 462, doi. 10.3390/nu9050462

By:

Kopp, Markus;
Morisset, Rosalie;
Rychlik, Michael

Publication type:

Article

Quantitation of 5-methyltetraydrofolic acid in plasma for determination of folate status and clinical studies by stable isotope dilution assays.

Published in:

PLoS ONE, 2019, v. 14, n. 2, p. 1, doi. 10.1371/journal.pone.0212255

By:

Striegel, Lisa;
Brandl, Beate;
Kopp, Markus;
Sam, Lukas;
Skurk, Thomas;
Rychlik, Michael

Publication type:

Article

Mass spectrometric studies of trimethylsilylpantothenic acid and related substances.

Published in:

Journal of Mass Spectrometry, 2001, v. 36, n. 5, p. 555, doi. 10.1002/jms.157

By:

Rychlik, Michael

Publication type:

Article

Fusarium Species on Barley Malt: Is Visual Assessment an Appropriate Tool for Detection?

Published in:

Cereal Chemistry, 2017, v. 94, n. 4, p. 659, doi. 10.1094/CCHEM-08-16-0212-R

By:

Geißinger, Cajetan;
Hofer, Katharina;
Habler, Katharina;
Heß, Michael;
Hückelhoven, Ralph;
Rychlik, Michael;
Becker, Thomas;
Gastl, Martina

Publication type:

Article

Monitoring Fusarium toxins from barley to malt: Targeted inoculation with Fusarium culmorum.

Published in:

Mycotoxin Research, 2025, v. 41, n. 1, p. 215, doi. 10.1007/s12550-024-00573-y

By:

Biehl, Eva Maria;
Schneidemann-Bostelmann, Sarah;
Hoheneder, Felix;
Asam, Stefan;
Hückelhoven, Ralph;
Rychlik, Michael

Publication type:

Article

Root uptake and metabolization of Alternaria toxins by winter wheat plants using a hydroponic system.

Published in:

Mycotoxin Research, 2023, v. 39, n. 2, p. 109, doi. 10.1007/s12550-023-00477-3

By:

Jaster-Keller, Julia;
Müller, Marina E. H.;
El-Khatib, Ahmed H.;
Lorenz, Nicole;
Bahlmann, Arnold;
Mülow-Stollin, Ulrike;
Bunzel, Mirko;
Scheibenzuber, Sophie;
Rychlik, Michael;
von der Waydbrink, Grit;
Weigel, Stefan

Publication type:

Article